Why should I Use a Speedlight

Exploring Small Strobes: Why should I Use a Speedlight | DIYPhotography.net: "Light is what sculpts your scene. You can have the best composed shot but if your lighting is crap, good chances that your shot will be also. And sometimes to get good light, you’ll need to work with artificial light sources. One of the most popular light source used by photographers are strobes; also called flashes."